DOXITIL® is a broad-spectrum synergistic antibiotic mixture with maximum action in cases of mycoplasmosis. Doxycycline has a great affinity for the lungs, while Tylosin confers great safety in its use and low or no capacity to generate resistance. Prevents and controls respiratory and gastrointestinal infections caused by Mycoplasma spp., E. coli, Salmonella spp., Pasteurella spp., Bordetella spp., Streptococcus spp. and Campylobacter spp.